1.4L I-4 gasoline direct injection, DOHC, variable valve control, intercooled turbo, premium unleaded, engine with 150HP (1) 1.5L I-4 gasoline direct injection, DOHC, i-VTEC variable valve control, ...
Zipping around in the Hummer H3 just got even more fun thanks to the introduction of a new, more powerful 3.7L five-cylinder engine. This new powerplant boasts a welcome 22 more horsepower and 17 ...